Duct fixing device and environmental test chamber

Abstract

The present application belongs to the technical field of test chamber, and discloses a wind pipe fixing device and an environmental test chamber. The wind pipe connecting assembly of the wind pipe fixing device is inserted into the first through-hole pipe and detachably connected with the shell, so that the installation and dismounting of the wind pipe are more simple, and the weight of the wind pipe and the wind pipe connecting assembly is supported by the pipe wall of the first through-hole pipe, which can ensure that the wind pipe connecting assembly is more closely and firmly connected with the first through-hole pipe, and the stability of the environment in the test chamber is enhanced. In addition, the inner diameter of the first connecting pipe, the inner diameter of the wind pipe and the inner diameter of the second through-hole pipe are consistent, so as to form a non-bottleneck wind conveying pipeline, achieve the maximization of the conveying air volume, ensure that the test sample can obtain appropriate temperature and humidity and sufficient gas flow in the environmental test chamber, and thus the consistency and stability of the test conditions are maintained.

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